Home / 198,855.72-274,426.66-108,217.53

Finding the Fourth Proportional to 198,855.72, 274,426.66 and 108,217.53

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Solution

The fourth proportional to 198,855.72, 274,426.66 and 108,217.53 is: 149,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,855.72 : 274,426.66 = 108,217.53 : x
  2. Step 2: Convert to fraction form
    198,855.72/274,426.66 = 108,217.53/x
  3. Step 3: Cross multiply
    198,855.72x = 274,426.66 × 108,217.53
  4. Step 4: Simplify right side
    198,855.72x = 29,697,774,370.43
  5. Step 5: Solve for x
    x = 29,697,774,370.43/198,855.72
  6. Step 6: Final answer
    x = 149,343.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.